How to use i18n with a Grails/Groovy enum in a g:select?

Question

i am trying to get i18n localisation working on an Grails/Groovy enum,

public enum Notification  {
    GENERIC(0),
    CONFIRM_RESERVATION(100),
    CONFIRM_ORDE         


        

Answer 1

You need to implement MessageSourceResolvable to provide your codes:

enum Notification implements org.springframework.context.MessageSourceResolvable {

    GENERIC(0),
    CONFIRM_RESERVATION(100),
    CONFIRM_ORDER(200),
    CONFIRM_PAYMENT(300),

    final int id;

    private Notification(int id) {
        this.id = id
    }

    String toString() {
        id.toString()
    }

    String getKey() {
        name()
    }

    public Object[] getArguments() { [] as Object[] }

    //This methods do the trick
    public String[] getCodes() { [ "notification." + name() ] }

    public String getDefaultMessage() { name() }
}

And define your messages in i18n:

notification.GENERIC=Generic
notification.CONFIRM_RESERVATION=Confirm reservation
notification.CONFIRM_ORDER=Confirm order
notification.CONFIRM_PAYMENT=Confirm payment

The select tag should look like this: